diff --git a/src/engine/renderer/tr_local.h b/src/engine/renderer/tr_local.h
index 255d9b9688..ffe69f8315 100644
--- a/src/engine/renderer/tr_local.h
+++ b/src/engine/renderer/tr_local.h
@@ -137,7 +137,7 @@ static inline void floatToHalf2( const vec2_t in, f16vec2_t out )
 	out[ 1 ] = floatToHalf( in[ 1 ] );
 }
 
-static inline void floatToHalf( const vec4_t in, f16vec4_t out )
+static inline void floatToHalf4( const vec4_t in, f16vec4_t out )
 {
 	out[ 0 ] = floatToHalf( in[ 0 ] );
 	out[ 1 ] = floatToHalf( in[ 1 ] );
@@ -158,7 +158,7 @@ static inline void halfToFloat2( const f16vec2_t in, vec2_t out )
 	out[ 1 ] = halfToFloat( in[ 1 ] );
 }
 
-static inline void halfToFloat( const f16vec4_t in, vec4_t out )
+static inline void halfToFloat4( const f16vec4_t in, vec4_t out )
 {
 	out[ 0 ] = halfToFloat( in[ 0 ] );
 	out[ 1 ] = halfToFloat( in[ 1 ] );
diff --git a/src/engine/renderer/tr_shade_calc.cpp b/src/engine/renderer/tr_shade_calc.cpp
index 6a1dc6c32b..77de19f061 100644
--- a/src/engine/renderer/tr_shade_calc.cpp
+++ b/src/engine/renderer/tr_shade_calc.cpp
@@ -491,7 +491,7 @@ static void ComputeCorner( int firstVertex, int numVertexes )
 			for( int j = 0; j < 4; j++ )
 			{
 				vec4_t &tc = tcs[ j ];
-				halfToFloat( v[ j ].f16TexCoords, tc );
+				halfToFloat4( v[ j ].f16TexCoords, tc );
 				VectorAdd( tc, midtc, midtc );
 				midtc[ 3 ] += tc[ 3 ];
 			}
@@ -510,7 +510,7 @@ static void ComputeCorner( int firstVertex, int numVertexes )
 				{
 					tc[ 3 ] = -tc[ 3 ];
 				}
-				floatToHalf( tc, v[ j ].f16TexCoords );
+				floatToHalf4( tc, v[ j ].f16TexCoords );
 			}
 		}
 		else
@@ -587,7 +587,7 @@ static void AutospriteDeform( int firstVertex, int numVertexes, int numIndexes )
 		if ( glConfig2.halfFloatVertexAvailable )
 		{
 			f16vec4_t f16Orientation;
-			floatToHalf( orientation, f16Orientation );
+			floatToHalf4( orientation, f16Orientation );
 
 			Vector4Copy( f16Orientation, v[ 0 ].f16SpriteOrientation );
 			Vector4Copy( f16Orientation, v[ 1 ].f16SpriteOrientation );
@@ -744,7 +744,7 @@ static void Autosprite2Deform( int firstVertex, int numVertexes, int numIndexes
 
 			if ( glConfig2.halfFloatVertexAvailable )
 			{
-				floatToHalf( orientation, v1->f16SpriteOrientation );
+				floatToHalf4( orientation, v1->f16SpriteOrientation );
 			}
 			else
 			{
diff --git a/src/engine/renderer/tr_surface.cpp b/src/engine/renderer/tr_surface.cpp
index fca9b30faa..0e37712b78 100644
--- a/src/engine/renderer/tr_surface.cpp
+++ b/src/engine/renderer/tr_surface.cpp
@@ -473,8 +473,8 @@ void Tess_AddSprite( const vec3_t center, const Color::Color32Bit color, float r
 
 		if ( glConfig2.halfFloatVertexAvailable )
 		{
-			floatToHalf( texCoord, tess.verts[ ndx + i ].f16TexCoords );
-			floatToHalf( orientation, tess.verts[ ndx + i ].f16SpriteOrientation );
+			floatToHalf4( texCoord, tess.verts[ ndx + i ].f16TexCoords );
+			floatToHalf4( orientation, tess.verts[ ndx + i ].f16SpriteOrientation );
 		}
 		else
 		{